QSAR & QSPR

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TI based on the adjacency matrix• Total adjacency index: A = (1/2)• For G 1and G 2, A = 5.n∑i, j=1• This TI can only distinguish between structures having differentnumber of cycles (for cyclohexane A = 6).aij
TI based on the adjacency matrix :Zagreb group indicesn∑ ∑δiδji=12•M 1= δi M 2 =where the vertex degree δ ιis a number of σ bonds involving atom i excludingbonds to H atoms.Zagreb group indices were introduced to characterize branching
Page 1 and 2: Quantitative Structure-Activity Rel
Page 3 and 4: Discoverer of the Periodic Table
Page 5 and 6: History of QSAR• 1868, D. Mendele
Page 7 and 8: History of QSAR• 1937, L.P. Hamme
Page 9 and 10: 1934 - HammettR H CH 3OCH 3F Cl NO
Page 11 and 12: Steric effectsTaft quantified the s
Page 13 and 14: Steric effectsE smay be used in oth
Page 15 and 16: Biological activity as a function o
Page 17 and 18: Hansch AnalysisBiological Activity
Page 19 and 20: Quantitative Structure Activity Rel
Page 21 and 22: A complete description of all the m
Page 23 and 24: Molecular DescriptorsClassification
Page 25 and 26: Constitutional descriptors• numbe
Page 27: Topological DescriptorsDescriptors
Page 31 and 32: TI based on the Distance Matrix:the
Page 33 and 34: TPSA - Topological Polar Surface Ar
Page 35 and 36: Geometrical descriptors•Moments o
Page 37 and 38: Steric parameters• Length-toto-br
Page 39 and 40: Lipophilic Descriptors(2D and 3D)
Page 41 and 42: Lipophilic Descriptors
Page 43 and 44: What do these Drugs have in Common?
Page 45 and 46: Example of oral administration:- Dr
Page 47 and 48: logD - The Calculation• LogD may
Page 49 and 50: ISIDA Fragment descriptorsHN HType
Page 51 and 52: Calculation of DescriptorsDataSetOC
Page 53 and 54: Example : linear QSPR modelak+0 ∑
Page 55 and 56: DRAGONThe software DRAGON calculate
Page 57: ISIDA program calculates fragment d

QSAR & QSPR

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